My 2 sets of them,made by Wright,are 3/8" drive and 1/2" drive.The 1/2" drive goes to 1/2". Never needed any size larger but I would think Wright could furnish any size you needed up to the max size commonly used on consumer products. Industrial and commercial is another game.Would a hard bolt with double nutts on the shank with a head that would fit the Allen Screw and a long handled Breaker Bar do the job? I've used rigged up combinations like that before.
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Today's Featured Article - The Collection of a Lifetime - by Sherry Schaefer. The larest gathering of orphan tractors ever assembled by one collector will be auctioned off on May 15 in Rock Island, IL. Ed Spiess was a well known tractor buff who spent most of his time dreaming of rare and unknown tractors. His background as an agricultural engineer sparked his interest in the unique attributes of the models built from 1939-1959.
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